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Fox commentator Bob Beckel dropped some money in a swear jar during Fox News' "The Five" Tuesday after using the F-word on "Hannity" the day before, without realizing he was live on the air.

"You don't know what the fuck you're talking about," the Democratic strategist said Monday as he defended the federal Head Start program in a heated argument with Tea Party activist Jennnifer Stefano.

"Whoa! Bleep!" host Sean Hannity interjected. "What are you doing?"

Hannity apologized to viewers for the language, but Beckel initially refused to, saying he didn't believe they were on the air. Informed that in fact they were, he said he was sorry, but that Hannity should have made it clear to him they were live.

"You should run your show a little better, instead of having me get caught like that," he said.

"Typical liberal," said Stefano, generalizing a tad.

"You're like Obama, you're blaming me," said Hannity, dragging in the president.

Beckel took to Twitter to apologize again, saying, "I honestly thought we were off air. I just may not be cut out for the tv business. Peace." He also thanked his defenders, especially conservative ones.

On Tuesday's "The Five," he dropped change and then a dollar bill into "Bob's Swear Jar." He started to speak, but decided against it.